FR833591A - Methods and means applicable in particular to the amplification of electrical variations - Google Patents

Methods and means applicable in particular to the amplification of electrical variations

Info

Publication number
FR833591A
FR833591A FR833591DA FR833591A FR 833591 A FR833591 A FR 833591A FR 833591D A FR833591D A FR 833591DA FR 833591 A FR833591 A FR 833591A
Authority
FR
France
Prior art keywords
amplification
methods
means applicable
electrical variations
variations
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Thales SA
Original Assignee
Le Materiel Telephonique Thomson CSF
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Application granted granted Critical
Publication of FR833591A publication Critical patent/FR833591A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J43/00—Secondary-emission tubes; Electron-multiplier tubes
    • H01J43/02—Tubes in which one or a few electrodes are secondary-electron emitting electrodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
    • H01J1/02—Main electrodes
    • H01J1/13—Solid thermionic cathodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J43/00—Secondary-emission tubes; Electron-multiplier tubes
    • H01J43/04—Electron multipliers
    • H01J43/06—Electrode arrangements
    • H01J43/08—Cathode arrangements
FR833591D 1937-06-23 1937-06-23 Methods and means applicable in particular to the amplification of electrical variations Expired FR833591A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR833591T 1937-06-23

Publications (1)

Publication Number Publication Date
FR833591A true FR833591A (en) 1938-10-25

Family

ID=9296661

Family Applications (1)

Application Number Title Priority Date Filing Date
FR833591D Expired FR833591A (en) 1937-06-23 1937-06-23 Methods and means applicable in particular to the amplification of electrical variations

Country Status (3)

Country Link
US (1) US2226696A (en)
FR (1) FR833591A (en)
GB (1) GB515525A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE893515C (en) * 1938-12-17 1953-10-15 Lorenz C Ag Arrangement for reducing the noise level in amplifier tubes

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3125701A (en) * 1964-03-17 Thermionic emitter for high frequency tube apparatus
BE475720A (en) * 1946-08-30

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE893515C (en) * 1938-12-17 1953-10-15 Lorenz C Ag Arrangement for reducing the noise level in amplifier tubes

Also Published As

Publication number Publication date
GB515525A (en) 1939-12-07
US2226696A (en) 1940-12-31

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